Headaches — we all have them, from time to time. They come in different forms: tension headaches, cluster headaches, migraines, headaches brought on by too much caffeine — or too little. There are headaches prompted by — or exacerbated by — stress. And then there are those caused by some unknown, underlying condition.

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Michael Hagerty

Senior Producer, Houston Matters

Michael Hagerty is the Senior Producer for Houston Matters. He has a degree in journalism from Abilene Christian University and has served as news director for NPR and PBS stations around Texas and The West, including: KUNR-FM in Reno, Nev.; KNPB-TV in Reno, Nev.; and KWBU-TV/FM in Waco, Texas. He...